From 075d747a469cc25c055639eb40fcec3d8dd35437 Mon Sep 17 00:00:00 2001
From: Markus Quaritsch <markus.quaritsch@tugraz.at>
Date: Wed, 3 Aug 2022 09:08:15 +0200
Subject: [PATCH] butgix calculating inertia torque of EM, bugfix searching
electric power for torque
---
.../SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs | 2 +-
.../Models/SimulationComponent/Impl/ElectricMotor.cs | 2 +-
.../Models/SimulationComponent/Strategies/HybridStrategy.cs | 6 +++++-
3 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs b/VectoCore/VectoCore/Models/SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs
index 4df9c70a3c..f61e127a71 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Data/ElectricMotor/EfficiencyMap.cs
@@ -164,7 +164,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data.ElectricMotor
},
searcher: this);
var tmp = LookupElectricPower(avgSpeed, retVal, true);
- if ((tmp.ElectricalPower - batPower).IsGreater(Constants.SimulationSettings.InterpolateSearchTolerance)) {
+ if (VectoMath.Abs(tmp.ElectricalPower - batPower).IsGreater(Constants.SimulationSettings.InterpolateSearchTolerance)) {
// searched operating point is not accurate enough...
retVal = SearchAlgorithm.Search(
maxEmTorque, elPowerMaxEM.ElectricalPower - batPower,
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs b/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
index 69ad5fe4a1..8e6eb79c42 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs
@@ -161,7 +161,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
var avgEmSpeed = (prevEmSpeed + emSpeed) / 2;
var inertiaTorqueEm = avgEmSpeed.IsEqual(0)
? 0.SI<NewtonMeter>()
- : Formulas.InertiaPower(avgEmSpeed, PreviousState.EMSpeed, ModelData.Inertia, dt) / avgEmSpeed;
+ : Formulas.InertiaPower(emSpeed, PreviousState.EMSpeed, ModelData.Inertia, dt) / avgEmSpeed;
var maxDriveTorqueEmMap = GetMaxDriveTorque(voltage, dt, avgEmSpeed, gear);
var maxRecuperationTorqueEmMap = GetMaxRecuperationTorque(voltage, dt, avgEmSpeed, gear);
diff --git a/VectoCore/VectoCore/Models/SimulationComponent/Strategies/HybridStrategy.cs b/VectoCore/VectoCore/Models/SimulationComponent/Strategies/HybridStrategy.cs
index 38e36b8cf9..33b5db495e 100644
--- a/VectoCore/VectoCore/Models/SimulationComponent/Strategies/HybridStrategy.cs
+++ b/VectoCore/VectoCore/Models/SimulationComponent/Strategies/HybridStrategy.cs
@@ -1298,6 +1298,10 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Strategies
}
} else {
if (emRecuperationTq.IsGreater(0)) {
+ var voltage = DataBus.BatteryInfo.InternalVoltage;
+ var maxbatDragTq = DataBus.ElectricMotorInfo(emPos).GetTorqueForElectricPower(voltage,
+ response.ElectricSystem.MaxPowerDrag, response.ElectricMotor.AngularVelocity, dt, nextGear,
+ false);
eval.Add(
new HybridResultEntry {
ICEOff = !DataBus.EngineInfo.EngineOn,
@@ -1307,7 +1311,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Strategies
GearboxInNeutral = false,
NextGear = nextGear,
MechanicalAssistPower = new Dictionary<PowertrainPosition, Tuple<PerSecond, NewtonMeter>> {
- { emPos, Tuple.Create(response.ElectricMotor.AngularVelocity, response.ElectricMotor.MaxRecuperationTorque) }
+ { emPos, Tuple.Create(response.ElectricMotor.AngularVelocity, VectoMath.Min(maxbatDragTq, response.ElectricMotor.MaxRecuperationTorque)) }
}
}
});
--
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